Finding the Third Proportional to 15,655.25 and 31,857.50

Step by Step Solution

1. Step 1: Write the proportion equation
   15,655.25 : 31,857.50 = 31,857.50 : x
2. Step 2: Convert to fraction form
   15,655.25/31,857.50 = 31,857.50/x
3. Step 3: Cross multiply
   15,655.25x = 31,857.50 × 31,857.50
4. Step 4: Simplify right side
   15,655.25x = 1,014,900,306.25
5. Step 5: Solve for x
   x = 1,014,900,306.25/15,655.25
6. Step 6: Final answer
   x = 64,828.11